Datasheet > MC44C800FTA

MC44C800FTA

更新时间： 2024-02-21 19:33:26

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		射频微波
页数	文件大小	规格书
4页	1034K
描述
Up/Down Converter, TQFP-48

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技术参数
数据手册

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MC44C800FTA 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.84	构造：	COMPONENT
最大中频频率：	46 MHz	最小中频频率：	36 MHz
LO 可调谐：	YES	最大噪声指数：	9 dB
最高工作温度：	75 °C	最低工作温度：	-10 °C
最大射频输入频率：	861 MHz	最小射频输入频率：	50 MHz
射频/微波设备类型：	UP/DOWN CONVERTER	Base Number Matches：	1

MC44C800FTA 数据手册

MC44C800/801

MOTOROLA

SEMICONDUCTOR

TECHNICAL DATA

SILICON TUNER IC

Product Brief

Single Chip CMOS Broadband Tuner

The MC44C800/801 Silicon Tuner ICs are highly integrated single chip

broadband tuners for cable data and set-top applications. They receive

50 MHz to 861 MHz cable signals and convert them to a second IF of 36

MHz to 46 MHz.

Typical applications include Cable Data Modems, Cable Digital and

Analog Settop boxes, VoIP Telephony boxes, etc. These tuners meet all

DOCSIS requirements for 64 and 256 QAM.

TQFP48EP Package

Exposed Pad

They utilize a double conversion architecture with an external first IF

SAW filter at 1120 MHz, and a second IF in the range of 36 MHz to 46

0.50 mm pitch

MHz. Both the MC44C800 and the MC44C801 are

identical, with the exception that the MC44C801 has a bus

programmable variable gain LNA with 21 dB of gain control.

The MC44C800 does not have the LNA.

MC44C800/801

PIN CONNECTIONS

A summary of the features is given below:

4847464544 434241403938 37

Integrated frequency synthesizers and prescalers.

One fully integrated VCO and one VCO requiring

only an external inductor.

Up conversion mixer.

Down conversion mixer.

Variable Gain LNA with 21 dB gain control

(MC44C801 only).

Reference oscillator circuit (using an external 25

MHz crystal).

Minimum CTB of –66 dBc, CSO of –60 dBc and

XMod of –57 dB with +3 dBmV AGC attack point.

Typical noise figure of MC44C801 is 6.2 dB.

Phase noise @ 10 KHz offset of –94 dBc/Hz,

typical.

VSS

36 LF2

35 VSS

34 VDD3.6

33 VSS

32 LDTest

31 SI

30 SS

29 SClk

28 SO

VDD3.6

VSS

MixOM1

MixOP1

VSS 10

VSS 11

RFBypass 12

VSS

27 VSS

26 Xtal1

25 Xtal2

1314151617 181920212223 24

Single 5 V supply operation.

SPI bus interface.

Internal self-diagnostic circuits.

Power down mode with fast start-up.

No external Image Filter required.

Ordering Information

Device

Version

Temp. Range

Package

MC44C800FTA Non-LNA

MC44C801FTA LNA

-10 C to +75 C TQFP 48 EP

10/28/03 Rev 0.12

12 3 4

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